Wonderopolis

Is Your Heart Shaped Like a Heart?

Today’s Wonder of the Day really has a lot of heart!

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Is Your Heart Shaped Like a Heart?
How Do You Digest Food?

Today’s Wonder of the Day might have you feeling a bit rumbly in your tummy!

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How Do You Digest Food?
Why Do We Need To Breathe?

Today’s Wonder of the Day is a real breath of fresh air!

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Why Do We Need To Breathe?
How Many Bones Are in Your Body?

We would all look really funny without today’s Wonder of the Day!

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How Many Bones Are in Your Body?
What Is a CAT Scan?

Despite its name, no felines were involved in the creation of today’s Wonder of the Day!

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What Is a CAT Scan?
How Many Times Does Your Heart Beat in a Lifetime?

You just can’t BEAT today’s Wonder of the Day!

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How Many Times Does Your Heart Beat in a Lifetime?
Why Do Your Pupils Get Bigger in the Dark?

We believe you’ll find today’s Wonder of the Day quite eye-opening!

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Why Do Your Pupils Get Bigger in the Dark?
Why Do We Have Skin?

You’ve got today’s Wonder of the Day all over you!

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Why Do We Have Skin?
How Do Reflexes Work?

Today’s Wonder of the Day just happened without us even thinking about it!

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How Do Reflexes Work?
Why Do People Cough?

*Cough!* *Cough!*… we're clearing our throats for today's Wonder of the Day!

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Why Do People Cough?
Why Are Your Feet So Ticklish?

Today’s Wonder of the Day might just have you laughing hysterically!

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Why Are Your Feet So Ticklish?
Why Do You Get Goose Bumps?

Today’s Wonder of the Day may send chills down your spine!

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Why Do You Get Goose Bumps?
How Many Breaths Do You Take Each Day?

Without today’s Wonder of the Day, we’d all be quite blue!

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How Many Breaths Do You Take Each Day?
Why Do You Get Goose Bumps When Someone Sings Beautifully?

Can you feel music? Sometimes! Find out more today in Wonderopolis!

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Why Do You Get Goose Bumps When Someone Sings Beautifully?
Why Does My Voice Sound Different on a Recording?

Join us in Wonderopolis today for a lesson about the acoustics of your voice!

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Why Does My Voice Sound Different on a Recording?
What Is a Spleen?

Yesterday’s Wonder was about a piano. Today’s is about an organ!

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What Is a Spleen?
Why Don’t Humans Have Tails?

If you had today’s Wonder of the Day, it would always be behind you!

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Why Don’t Humans Have Tails?
How Does Blood Travel Through Your Body?

Today’s Wonder of the Day will take you on a trip through your veins and arteries!

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How Does Blood Travel Through Your Body?
Could a Cockroach Survive a Nuclear War?

Get up close and personal with a creepy crawler in today’s Wonder of the Day!

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Could a Cockroach Survive a Nuclear War?